XSS in Basecamp Trix

CVE-2026-73427

Trix is a what-you-see-is-what-you-get rich text editor for everyday writing. Prior to 2.1.18, Trix is vulnerable to cross-site scripting when a crafted application/x-trix-document JSON payload is dropped into an editor using the fallback…

Vulnerability class: XSS (Cross-Site Scripting)

Affected products

Weakness classification (CWE)

References